Thanks a lot
Um, I entered said slicing battle, got a 98,7% file size reduction thanks to M0g's nice tut

and will add some radio-like elemtns around the speaker next time I go around Photoshopping. But I've kind of destroyed my own website, I think, as, well, it's 1280x1024... :/
I posted a thread in HTML support forum, anyone who thinks they can help (just look at the site, you'll see what's wrong...), please see what you can do...